US6861100B1 - Method and arrangement for producing body components being provided with a silencing material layer - Google Patents

Method and arrangement for producing body components being provided with a silencing material layer Download PDF

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Publication number
US6861100B1
US6861100B1 US10/130,967 US13096702A US6861100B1 US 6861100 B1 US6861100 B1 US 6861100B1 US 13096702 A US13096702 A US 13096702A US 6861100 B1 US6861100 B1 US 6861100B1
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United States
Prior art keywords
silencing material
silencing
layer
foil
body component
Prior art date
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Expired - Fee Related, expires
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US10/130,967
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English (en)
Inventor
Josef Schucker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlas Copco IAS GmbH
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SCA Schucker GmbH
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Filing date
Publication date
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Assigned to SCA SCHUCKER GMBH & CO. reassignment SCA SCHUCKER GMBH & CO. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHUCKER, JOSEF
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/34—Applying different liquids or other fluent materials simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation

Definitions

  • the invention concerns a method and an arrangement for production of body components, upon one broad side surface of which a strip-shaped layer of a silencing or sound insulating material is applied.
  • an acoustically effective damping material In automobile construction it is conventional to adhere in body components, in particular in doors, roofs or vehicle floors, an acoustically effective damping material.
  • the damping or silencing material is comprised for example of a bituminous mat, which is self-adhered to an inner broad surface of the body part.
  • the adhering of the silencing material conventionally occurs upon the primer prior to the final painting. In this process condition the construction component is already completely assembled.
  • this area to be silenced In the case of a door, this area to be silenced is situated in the internal space for receiving of a rolled down window.
  • the assembly is only possible manually. In connection therewith, errors in assembly can easily occur, which can result in displacement or dislocation of corners, with the consequence of operational defects for example during the operation of a window.
  • the inventive solution is based upon the concept that, as the silencing material layer, a thermally curable synthetic resin or plastic material, hereafter simply referred to as plastic, in viscous form is applied upon the inwardly facing broad surface of a raw construction component, that is, upon a freely accessible individual part, such as for example the exposed sheet metal of a vehicle door.
  • a thermally curable synthetic resin or plastic material hereafter simply referred to as plastic
  • plastic in viscous form
  • a thermally curable synthetic resin or plastic material hereafter simply referred to as plastic
  • plastic in viscous form
  • materials which are suitable for acoustic purposes such as epoxy resin or PVC, take up humidity when in the pasty condition. If one does not prevent the uptake of moisture, then later during curing in the enameling oven bubbles or blisters occur, which detract from the appearance of the outer surface and can lead to corrosion problems. Accordingly, the silencing layer must be protected against uptake of moisture, so that a intermediate storage and/or a further processing of the
  • the silencing material comprised of a thermally securable or adherable plastic is applied in pasty form upon the broad side surface of the raw construction component as a layer and on the free broad side layer surface is covered over a non-releasably with a moisture impermeable material as a cover layer.
  • the thus prepackaged body part can be stored under exposure to air and/or be subjected to a further processing.
  • the actual securing of the silencing material occurs only in a later process step, preferably following the painting by heating in an enameling oven.
  • the insulating material is extruded upon a broad surface of the raw construction component over a large surface by use of broad-slit nozzle.
  • the cover layer can be applied together with the silencing material in a coextrusion process in pasty form and subsequently be hardened to form a moisture impermeable layer.
  • the cover layer can be withdrawn as a sheet or foil from a roll and, during the application of the silencing material, can be large-surface-area bonded with the free exposed surface thereof.
  • the foil can be withdrawn from a form-giving roll and be applied contour-correctly with the silencing material layer.
  • the cover layer can thereby be provided, via circumference ridges in the form-giving roll, with material changing stiffening corrugations or reinforcing seams.
  • foil materials one could consider for example a metal foil, preferably an aluminum foil. In principle also a plastic foil can be employed.
  • silencing material a two component reaction material or resin is employed, of which the reactive components are mixed in a broad slit mixing nozzle under formation of viscous reaction mixture, and via their nozzle opening are applied upon the broad surface of the raw construction component and there are reacted under further processing with formation of a moisture resistant barrier layer.
  • a further alternative process envisions that the silencing material, comprised of a material which cross-linkable or curable under the influence of UV-light, is applied in viscous form upon the broad surface of a raw construction component and on the exposed broad layer surface is irradiated with UV-light and thereby is sealed over the outer surface, and that the thus prepackaged automobile body part is temporarily stored under exposure to air and/or is subjected to a further processing and is heated in a later process step, preferably in an enameling oven, with simultaneous curing of the silencing material.
  • the silencing material comprised of a material which cross-linkable or curable under the influence of UV-light
  • a first soft-hardening silencing material and a second rigid-hardening silencing material are applied in a sandwich-like manner, one above the other, in viscous form upon the broad surface of a raw construction component and surface-sealed on the exposed broad layer, and that the thus prepackaged body part is stored temporarily under exposure to air and/or subjected to a further processing and in a later process step with simultaneous curing of the silencing material is heated preferably in an enameling oven.
  • the body components produced in this manner are characterized in that the soft core material is not apparent on the outer skin of the body part while the stiffer hardening material forms the acoustically effective silencing layer.
  • the facilities for carrying out the inventive process include therein an application station for silencing materials, which can be designed variously depending upon the mode of the process.
  • At least two broad-slit nozzles are provided sequentially in the application direction, which respectively are controlled by a robot controllable controlled metering device and are supplied with viscous materials hardening to different hardness.
  • the forward broad slit nozzle in the application direction is supplied with a thermally curable silencing material and the latter broad slit nozzle in the application direction is supplied with a silencing material moisture hardenable to a higher density.
  • the dense material layer has the task of protecting the silencing material against hardening until a later point in time, for example in the enameling oven, that is, to protect it against moisture penetration.
  • the forward broad slit nozzle in the application direction is supplied with a soft hardening silencing material and the downstream broad slit nozzle in the application direction is supplied with a dense stiffly hardening silencing material.
  • the broad slit nozzles respectively exhibit controllable heating devices with associates temperature regulators.
  • the application station exhibits a broad slit mixed or co-extrusion nozzle, of which the inlet of the upstream mix stage is connected with two robot controlled controllable metering devices for the reaction components of a reaction resin.
  • the mixing stage is therein preferably designed as a static or dynamic (driven) mixer.
  • the broad slit mixing nozzle preferably is comprised of at least two separable pressure-tight metal shells, which could include an exchangeable plastic insert as a disposable part.
  • the metal shells could be coated with a separation material, preferably of tetrafluoroethylene (Teflon), which prevents a adhering of the hardened reaction resin.
  • the application station includes a robot control metering device for supplying a broad slit nozzle with a viscous silencing material, as well as a UV-light source for surface-sealing of the silencing material layer applied via the broad slit nozzle.
  • the surface sealing ensures that the silencing material layer is protected against moisture during the intermediate storage and the transport of the vehicle body part.
  • the application station exhibits a robot controlled dosing meter with a viscous silencing material supplied broad slit nozzle, as well as a robot controlled foil or sheet dispenser for application of a moisture impermeable sheet or foil of metal or plastic upon the viscous silencing material layer applied via the broad slit nozzle.
  • prepackaged vehicle body components are produced, of which the silencing material layer comprises a pasty core layer and a moisture impermeable cover layer or surface sealing layer or skin.
  • the silencing material layer includes a soft hardened core layer and a stiff hardened cover layer.
  • the core and cover layer can be of various thicknesses.
  • FIG. 1 a a schematic of an application station for application of silencing material for vehicle body components with two separate layer-forming broad slit nozzles;
  • FIG. 1 b an enlarged section taken from FIG. 1 a at the area of the nozzle opening;
  • FIG. 2 a schematic of an application station with a broad slit mixing nozzle
  • FIG. 3 a schematic of an application station with a broad slit nozzle and subsequent UV-lamp
  • FIG. 4 a schematic of an application station with a broad slit nozzle and subsequent foil or sheet dispenser
  • FIG. 5 an application station for application of silencing materials upon vehicle body components in perspective representation.
  • the application stations represented schematically in the figures are for the coating of vehicle body components 48 in the pre-assembled state with silencing materials by means of a robot 35 .
  • the prepackaged vehicle body components 48 provided with the silencing material layer 44 are stored temporarily under exposure to air and/or subjected to a further processing and in a later processing step are heated with simultaneous curing of the insulating material, preferably in a enameling oven.
  • the vehicle body components are so prepared or treated in the application station that the silencing materials which are still in the pasty state are protected or sealed against moisture or humidity penetration.
  • the application or coating station shown in FIGS. 1 a and 1 b as well as 5 includes two broad-slit nozzles 10 , 12 , which are supplied by separate metering devices 14 , 16 with different viscosity plastic materials 52 , 54 .
  • the supplying of material to the metering devices 14 , 16 occurs via material pumps 18 , 20 which receive the material from not-shown material supply containers.
  • the metering means 14 , 16 are respectively controlled by one metering control 30 , 32 , which are connected to two outlets of the robot control 34 .
  • the broad slit nozzles 10 , 12 include, besides this, a heating device 36 , 38 which is controllable via respectively one temperature controller 40 , 42 .
  • the broad slit nozzles 10 , 12 are supplied, via the metering devices 30 , 32 , preferably with respectively one predetermined metering or dose amount per unit of time.
  • the amount control occurs therein independent of the material viscosity.
  • the controlling of the metering device occurs therein in dependence upon the speed via the robot control 34 .
  • the two outputs of the robot control 34 are freely programmable. Thus it is possible via the two broad-slit nozzles 10 , 12 to apply different layer thicknesses, as required.
  • a layer 44 of acoustically effective silencing material is applied, while via the broad slit nozzle 12 preferably a moisture impermeable cover layer 46 is applied.
  • the cover layer 46 can therein be thinner than the silencing layer 44 .
  • This automobile sheet metal can be temporarily stored and transported with exposure to air without concern for damage of the silencing material layer 44 , and at a later time and a different place be assembled to the complete door and be painted in a paint facility.
  • the silencing material in the layer 44 is in this case preferably completely cured or hardened at elevated temperature in the enameling oven.
  • the application or coating station shown in FIGS. 1 a and 1 b can also be used for production of other sandwich-like layers.
  • the core layer 44 for example a soft hardening material 52 , which does not mark the sheet metal outer skin after hardening.
  • the cover layer 46 is in this case employed as acoustic effective dampening layer, which stiffly hardens to an appropriately thick wall thickness and is cushioned by the soft core layer 44 against the vehicle sheet metal 48 .
  • one broad slit mix nozzle 10 ′ is provided, which includes on the inlet side preferably a static mixer 50 , which is supplied with the two reaction components 52 , 54 of a reaction resin via the metering device 14 , 16 and the material pumps 18 , 20 .
  • the control of the metering device 14 , 16 occurs herein via a two-component dosing control 30 ′, which for its part is controllable via the robot control 34 depending upon speed.
  • UV-lamp 56 In the direction of application subsequent to the broad slit nozzle 10 there is a UV-lamp 56 , which ensures that the silencing material layer 44 applied via the broad slit nozzle 10 upon the vehicle body sheet metal 48 is sealed or skinned by UV-cross linking in the surface area, providing protection against moisture penetration.
  • the complete curing or hardening of the silencing material layer 44 occurs here also only at a later point in time by thermal activation, for example in a enameling oven.
  • an application station shown in FIG. 4 there is likewise provided only one application nozzle 10 , which similarly to the case of FIG. 3 is supplied via metering means with a silencing material 52 .
  • a sheet or foil dispenser 58 In the direction of application subsequent to the broad slit nozzle 10 there is a sheet or foil dispenser 58 , which via the driven roller system 60 and the redirection rollers 62 , 64 draws a plastic foil 66 of suitable breadth from a supply roll 68 and applies this to the surface of the silencing material 44 applied via the broad slit nozzle 10 upon the vehicle body sheet metal 48 to thereby form a cover layer 46 .
  • the withdrawal of the foil is therein likewise controlled, depending upon the speed of the body part, via the robot control.
  • the foil supply 58 further includes a cutting device 69 for separation of the foil belt 66 at the end of the silencing material layer 44 . It is advantageous thereby, when the distance d between the positions c and e is selected to be longer than the distance a between the positions b and c, so that it is not necessary during the movement of the robot, that is, during the application of the silencing material layer 44 , to cut the foil 66 .
  • the lever 70 carrying the redirection roller 64 which is pivotable about the axis 72 of the supply roll 68 , and the two sensors 74 , 76 ensure that an uninterrupted or undisturbed extraction of foil occurs.
  • the sensor 74 therein serves for switching on of the motor of the supply roll 68 via the high contracting or free-floating lever 70 , while the sensor 76 actuated via the lever 70 switches off the drive motor of the supply roll.
  • the amount of foil withdrawn between the two sensors 74 , 76 should be sufficient in order to lay a belt 46 over the silencing material layer 44 on the vehicle body component 48 . Accordingly, disturbances or interruptions in the extraction of foil caused on the basis of the mass moment of inertia of the supply roll 68 are avoided.
  • the invention relates to a method and an arrangement for producing body components ( 48 ) being provided with an acoustically-effective silencing material layer ( 44 ).
  • the aim of the invention is to enable fully automatic packaging making use of the silencing material layer ( 44 ).
  • the silencing material that consists of a plastic material which can be cured in a thermal manner is applied onto a flat surface of a body component in a pasty, moisture-absorbing form as a layer ( 44 ), and the exposed side of the silencing material layer is covered with a cover layer ( 46 ) that facing the body component flat surface.
  • the over layer consists of moisture-impermeable material.
  • the thus pre-packed body component ( 48 ) can be randomly transported, intermediately stored and/or supplied for further processing under exposure to air. Curing of the silencing material ( 44 ) is only carried out in a subsequent procedure step, for example in an enameling oven.

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  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Insulators (AREA)
  • Insulating Bodies (AREA)
  • Laminated Bodies (AREA)
  • Inorganic Insulating Materials (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
US10/130,967 1999-11-23 2000-09-30 Method and arrangement for producing body components being provided with a silencing material layer Expired - Fee Related US6861100B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19956335A DE19956335A1 (de) 1999-11-23 1999-11-23 Verfahren und Anlage zur Herstellung von mit einer Dämmstoffschicht versehenen Karosseriebauteilen
PCT/EP2000/009622 WO2001038006A1 (de) 1999-11-23 2000-09-30 Verfahren und anlage zur herstellung von mit einer dämmstoffschicht versehenen karosseriebauteilen

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US (1) US6861100B1 (de)
EP (1) EP1232017B1 (de)
AT (1) ATE272451T1 (de)
DE (2) DE19956335A1 (de)
ES (1) ES2225233T3 (de)
PT (1) PT1232017E (de)
WO (1) WO2001038006A1 (de)

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* Cited by examiner, † Cited by third party
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US20040239150A1 (en) * 2001-10-02 2004-12-02 Hideki Fukudome Body panel with vibration damping material,vibration damping material coater, and damping material application method
US20040265560A1 (en) * 2001-12-21 2004-12-30 Ralf Sauer Rubber systems for reinforcing surfaces
US20070090132A1 (en) * 2005-10-21 2007-04-26 Williams Eric A Integrated material transfer and dispensing system
US20070096491A1 (en) * 2003-06-11 2007-05-03 Komatsu Ltd. Interior member for cab of work vehicle and method for forming same as well as wall member
US20090261128A1 (en) * 2008-04-21 2009-10-22 C.H.&I. Technologies, Inc. Portable constant-pressure refillable material transfer system
US20120107546A1 (en) * 2010-10-28 2012-05-03 Gm Global Technology Operations, Inc. Coulomb damping and/or viscous damping insert using ultrasonic welding
JP2012110828A (ja) * 2010-11-24 2012-06-14 Honda Motor Co Ltd 高粘度材料の塗布方法
US8684238B2 (en) 2008-04-21 2014-04-01 C.H.&I. Technologies, Inc. Aerosol refill cartridge
US10000049B2 (en) 2014-06-23 2018-06-19 Exel Industries Methods and apparatus for applying protective films
US10118327B2 (en) 2012-12-19 2018-11-06 Henkel Ag & Co. Kgaa Method for the sound damping and/or sound insulation of components
US10315405B2 (en) 2014-06-23 2019-06-11 Exel Industries Methods and apparatus for applying protective films

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DE10144714A1 (de) * 2001-09-11 2003-03-27 Behr Gmbh & Co Hybridträger für ein Kraftfahrzeug
DE102005013972B4 (de) * 2005-03-26 2012-05-24 Bayerische Motoren Werke Aktiengesellschaft Düsenkörper
DE102009021905A1 (de) 2009-05-19 2010-11-25 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung und Verfahren zum Befestigen einer Dämmmatte an einem Karosseriebauteil
EP3374094A1 (de) * 2015-11-11 2018-09-19 Polyplan-GmbH Polyurethan-Maschinen Induzierung eines gelierens und/oder eines phasenübergangs bzw. einer chemischen zustandsänderung in einer zu applizierenden versiegelungssubstanz
DE102018205870A1 (de) * 2018-04-18 2019-10-24 Bayerische Motoren Werke Aktiengesellschaft Düse und Verfahren zum Auftragen von hochviskosem Material in Lagen auf einem Rohbauteil eines Kraftwagens

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US4569869A (en) 1978-11-20 1986-02-11 Yoshino Kogyosho Co., Ltd. Saturated polyester bottle-shaped container with hard coating and method of fabricating the same
EP0077987A1 (de) * 1981-10-24 1983-05-04 Nissan Motor Co., Ltd. Schwingungsdämpfer mit Aussteifungsschicht
US4743634A (en) * 1986-01-22 1988-05-10 Raymark Industries, Inc. Molded non-asbestos friction member containing diatomaceous earth
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EP0723843A2 (de) 1995-01-27 1996-07-31 Nordson Corporation Abgabekopf für Zweikomponentenschaum mit Abstellvorrichtung
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WO1997048579A1 (en) 1996-06-18 1997-12-24 Norsk Hydro Asa Roll-over device for a vehicle
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JPH1180599A (ja) 1997-09-12 1999-03-26 Micron Tec:Kk 断熱塗膜及び断熱塗料

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7264303B2 (en) 2001-10-02 2007-09-04 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Body panel with vibration damping material, vibration damping material coater, and damping material application method
US20040239150A1 (en) * 2001-10-02 2004-12-02 Hideki Fukudome Body panel with vibration damping material,vibration damping material coater, and damping material application method
US20040265560A1 (en) * 2001-12-21 2004-12-30 Ralf Sauer Rubber systems for reinforcing surfaces
US7753426B2 (en) 2003-06-11 2010-07-13 Komatsu Ltd. Interior member for cab of work vehicle and method for forming same, as well as wall member
US20070096491A1 (en) * 2003-06-11 2007-05-03 Komatsu Ltd. Interior member for cab of work vehicle and method for forming same as well as wall member
US20090200826A1 (en) * 2003-06-11 2009-08-13 Komatsu Ltd. Interior member for cab of work vehicle and method for forming same, as well as wall member
US7575266B2 (en) 2003-06-11 2009-08-18 Komatsu Ltd. Interior member for cab of work vehicle and method for forming same as well as wall member
US7686992B2 (en) 2003-06-11 2010-03-30 Komatsu Ltd. Interior member for cab of work vehicle and method for forming same, as well as wall member
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ATE272451T1 (de) 2004-08-15
DE50007317D1 (de) 2004-09-09
EP1232017B1 (de) 2004-08-04
EP1232017A1 (de) 2002-08-21
PT1232017E (pt) 2004-12-31
DE19956335A1 (de) 2001-05-31
ES2225233T3 (es) 2005-03-16
WO2001038006A1 (de) 2001-05-31

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